55535355537 has 4 divisors (see below), whose sum is σ = 74047140720. Its totient is φ = 37023570356.

The previous prime is 55535355529. The next prime is 55535355539. The reversal of 55535355537 is 73555353555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55535355537 - 2³ = 55535355529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55535355537.

It is not an unprimeable number, because it can be changed into a prime (55535355539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9255892587 + ... + 9255892592.

It is an arithmetic number, because the mean of its divisors is an integer number (18511785180).

Almost surely, 2^55535355537 is an apocalyptic number.

It is an amenable number.

55535355537 is a deficient number, since it is larger than the sum of its proper divisors (18511785183).

55535355537 is a wasteful number, since it uses less digits than its factorization.

55535355537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18511785182.

The product of its digits is 14765625, while the sum is 51.

The spelling of 55535355537 in words is "fifty-five billion, five hundred thirty-five million, three hundred fifty-five thousand, five hundred thirty-seven".